Mall shopping IT system

Context

The purpose of this system is to simplify shopping in a mall. It is supposed to save time of people who are looking for specific item e.g. shoes of certain type and size. A side effect is that it is a perfect system for introverts :)

Entity Relationship Diagram

We have to create a data model which would reflect the reality and would allow us to create IT system. Here is such model in form of Entity Relationship Diagram. It helps us communicate better regarding the data:

System functionality

We shall describe what users will be doing in the system. The best way to communicate about it is by creating Task Descriptions:

Functionality for shoppers

Task Description: Find shops with specific shoes

Sub-tasks:	System support:
1. Pick option to search for specific shoes.
2. Specify sex, shoes type, season and size.
3. Provide list of shops with such shoes.	Search through inventory of all shops in the mall.
4. Display number of shoes in each shop.	Provide option to see detailed list of shoes in specific shop. Display price, parameters and pictures.
5. (Specify your location in the mall.)	Scan bar code next to nearest shop entrance.
6. Create shortest shopping route to visit all shops from the list.	Take into account current user location. Display walking distance between various shops. Provide option to remove some shops from the list and recalculate shortest shopping route.

Task Description: Ask shops to prepare shoes for trying on

Sub-tasks:	System support:
1. Pick option to ask for preparing shoes.
2. Pick shoes which shall be prepared.	Provide option to select specific shoes or specific shops from all shops.
3. Notify shops about the specific shoes that should be prepared.	Send notification to shops.

Task Description: Notify shop employees that you arrived to try on shoes

Sub-tasks:	System support:
1. Pick option to see list of active requests for preparing shoes.
2. Pick option to notify shop.
3. Confirm that you have arrived.	Provide option to scan bar code at the shop entrance. Provide option to confirm that you are at the shop.

Store functionality

Task Description: Add shoes into the mall inventory database

Sub-tasks:	System support:
1. Pick option to add shoes to mall inventory.
2. Add shoes information.	Load data file. Export data in correct format from shop internal inventory.

Task Description: Prepare shoes for trying on

Sub-tasks:	System support:
1. Get information that there are new shoes to be prepared for arriving customer.	Display up to date information about new asks for preparing shoes.
2. Prepare shoes.	Option to mark shoes as prepared. Send info to the shopper that shoes are prepared.

Task Description: Welcome shopper and handle him shoes

Sub-tasks:	System support:
1. Get information that shopper has arrived.	Detect location of a shopper. Update status of a request.
2. Handle shoes to the shopper.